Remove search::ShouldShowGoogleLocalNTP ("google_local_ntp" field trial flag)

chrome/browser/search/search.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/search/search.h"
 
 #include <stddef.h>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
@@ skipping 43 matching lines @@
 const char kPrerenderInstantUrlOnOmniboxFocus[] =
     "prerender_instant_url_on_omnibox_focus";
 
 // Controls whether to use the alternate Instant search base URL. This allows
 // experimentation of Instant search.
 const char kUseAltInstantURL[] = "use_alternate_instant_url";
 const char kUseSearchPathForInstant[] = "use_search_path_for_instant";
 const char kAltInstantURLPath[] = "search";
 const char kAltInstantURLQueryParams[] = "&qbp=1";
 
-const char kShouldShowGoogleLocalNTPFlagName[] = "google_local_ntp";
-
 // Status of the New Tab URL for the default Search provider. NOTE: Used in a
 // UMA histogram so values should only be added at the end and not reordered.
 enum NewTabURLState {
   // Valid URL that should be used.
   NEW_TAB_URL_VALID = 0,
 
   // Corrupt state (e.g. no profile or template url).
   NEW_TAB_URL_BAD = 1,
 
   // URL should not be used because in incognito window.
@@ skipping 419 matching lines @@
 
 bool ShouldPrerenderInstantUrlOnOmniboxFocus() {
   if (!ShouldPrefetchSearchResults())
     return false;
 
   FieldTrialFlags flags;
   return GetFieldTrialInfo(&flags) && GetBoolValueForFlagWithDefault(
       kPrerenderInstantUrlOnOmniboxFocus, false, flags);
 }
 
-bool ShouldShowGoogleLocalNTP() {
-  FieldTrialFlags flags;
-  return !GetFieldTrialInfo(&flags) || GetBoolValueForFlagWithDefault(
-      kShouldShowGoogleLocalNTPFlagName, true, flags);
-}
-
 GURL GetEffectiveURLForInstant(const GURL& url, Profile* profile) {
   CHECK(ShouldAssignURLToInstantRenderer(url, profile))
       << "Error granting Instant access.";
 
   if (url.SchemeIs(chrome::kChromeSearchScheme))
     return url;
 
   GURL effective_url(url);
 
   // Replace the scheme with "chrome-search:", and clear the port, since
@@ skipping 86 matching lines @@
       kUseAltInstantURL, false, flags);
 }
 
 bool ShouldUseSearchPathForInstant() {
   FieldTrialFlags flags;
   return GetFieldTrialInfo(&flags) && GetBoolValueForFlagWithDefault(
       kUseSearchPathForInstant, false, flags);
 }
 
 }  // namespace search